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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.5V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：1.27V
- Voltage - Output (Max)：38V
- Current - Output：1.5A
- Frequency - Switching：260kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
Download product information
Overview
The CS51412GD8G is a synchronous step-down DC-DC converter from onsemi, designed for automotive applications. It operates with an input voltage range of 4.5V to 40V and delivers a single adjustable output up to 38V at 1.5A. The device utilizes a fixed switching frequency of 260 kHz and features current/voltage-mode control with pulse width modulation. Packaged in an 8-pin SOIC (N) tube, it supports an extended junction temperature range from -40°C to +150°C.
Feature Summary
- Synchronous buck topology for high efficiency
- Automotive grade qualification for reliability
- Wide input voltage capability
- Adjustable output voltage regulation
Applications
- Automotive power distribution systems
- Vehicle infotainment power supplies
- ADAS sensor power conditioning
- Body control module voltage regulation
Procurement Notes
Verify the specific suffix GD8G against the official datasheet to confirm the tube packaging format and automotive grade status. Confirm RoHS compliance and lead-free status as per the manufacturer's latest documentation. Ensure the component meets the required operating temperature range for the intended application environment before finalizing procurement.
Selection Notes
Select this component when a robust, automotive-rated synchronous buck converter is required for high-voltage input ranges up to 40V. The 1.5A output current capacity suits moderate power loads in vehicle electronics. Consider the 8-SOIC package constraints and thermal performance relative to the ambient conditions. Verify compatibility with the system's switching frequency requirements and control interface needs.
Part Context
This part belongs to the CS51412 series of low-voltage buck regulators manufactured by onsemi. It is specifically engineered for automotive environments, distinguishing itself from industrial variants through its extended temperature rating and reliability standards. The series provides a solution for stepping down higher vehicle bus voltages to lower logic or sensor supply levels.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official obsolescence notices or replacement guides for verified alternatives if this component is discontinued.
